Search a number
-
+
13833930 = 23511237103
BaseRepresentation
bin110100110001…
…011011001010
3222000211120210
4310301123022
512020141210
61212301550
7225405105
oct64613312
928024523
1013833930
117899700
1247718b6
132b34976
141ba173c
151333e20
hexd316ca

13833930 has 96 divisors (see below), whose sum is σ = 37844352. Its totient is φ = 3231360.

The previous prime is 13833913. The next prime is 13833943. The reversal of 13833930 is 3933831.

13833930 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 134259 + ... + 134361.

It is an arithmetic number, because the mean of its divisors is an integer number (394212).

Almost surely, 213833930 is an apocalyptic number.

13833930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13833930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18922176).

13833930 is an abundant number, since it is smaller than the sum of its proper divisors (24010422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13833930 is a wasteful number, since it uses less digits than its factorization.

13833930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 13833930 is about 3719.3991450233. The cubic root of 13833930 is about 240.0574515239.

Subtracting from 13833930 its reverse (3933831), we obtain a palindrome (9900099).

The spelling of 13833930 in words is "thirteen million, eight hundred thirty-three thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 37 55 66 74 103 110 111 121 165 185 206 222 242 309 330 363 370 407 515 555 605 618 726 814 1030 1110 1133 1210 1221 1545 1815 2035 2266 2442 3090 3399 3630 3811 4070 4477 5665 6105 6798 7622 8954 11330 11433 12210 12463 13431 16995 19055 22385 22866 24926 26862 33990 37389 38110 41921 44770 57165 62315 67155 74778 83842 114330 124630 125763 134310 186945 209605 251526 373890 419210 461131 628815 922262 1257630 1383393 2305655 2766786 4611310 6916965 13833930